Crack sealing is an often overlooked yet crucial aspect of pavement maintenance. While a small crack might seem like a minor cosmetic issue, left unaddressed, it can quickly develop into a major problem.
Defining Crack Sealing: What Does It Entail?
Crack sealing is a preventative maintenance technique used to fill cracks in asphalt pavements. These cracks can be caused by various factors, such as the constant weight and movement of vehicles wearing down the asphalt surface over time. Extreme hot and cold temperatures can also cause asphalt to expand and contract, leading to cracking. Perhaps the most damaging culprit is water infiltration. Water that leaks into cracks can freeze and expand, further widening the cracks and potentially damaging the underlying layers of the pavement.
In essence, crack sealing involves applying a specially formulated sealant material directly into the cracks. This sealant acts as a barrier, preventing water and other elements from infiltrating the pavement and causing further damage.
The Significance of Crack Sealing: Why It Matters
Investing in crack sealing offers numerous benefits. By preventing water infiltration and further crack development, crack sealing significantly extends the lifespan of your asphalt pavement. This can save you money on costly repairs and replacements in the long run. Early intervention with crack sealing is far more cost-effective than dealing with extensive pavement repairs later. Proper crack sealing also creates a smoother and safer driving surface, improving safety for pedestrians and vehicles alike. A well-maintained pavement with sealed cracks enhances the overall aesthetics of your property, adding to its curb appeal.
Recognizing When It’s Time to Invest in Sealing
Ignoring cracks in your asphalt can have significant consequences. Here are some signs that it’s time to start investing:
- Visible cracks: Any cracks wider than ¼ inch (6 mm) are a cause for concern.
- Alligator cracking: This type of cracking resembles interconnected alligator skin patterns and requires immediate attention.
- Spalling: When chunks of asphalt begin to break away from the edges of cracks, it indicates a more advanced stage of pavement deterioration.
By addressing cracks early on through crack sealing, you can prevent them from escalating into costly repairs down the line.
Exploring the Crack Sealing Process: How It Works
The crack-sealing process typically involves several steps. First, the cracks are thoroughly cleaned to remove any dirt, debris, or moisture that may prevent the sealant from adhering properly. This might involve using compressed air or specialized cleaning tools.
For wider cracks (typically greater than ¼ inch), a routing machine might be used to widen and deepen the crack to ensure proper sealant penetration. Once the cracks are clean and dry, the sealant is applied. The specific type of sealant used may vary depending on the size and severity of the cracks. Common sealants include hot-poured asphalt crack sealants, cold-poured asphalt crack sealants, and silicone-based sealants.
In some cases, a layer of fine sand may be applied over the sealant to provide additional protection and prevent the sealant from tracking onto shoes or tires. The entire process is typically a quick and efficient operation, allowing you to resume using your paved surface shortly after it’s completed.
Considerations for Effective Crack Sealing
To ensure the effectiveness of the process, there are some key considerations to keep in mind. Crack sealing should be performed when the pavement surface is dry and the temperature is above freezing. Hiring a professional paving contractor with experience in crack sealing is recommended. They possess the necessary expertise and equipment to ensure the job is done correctly. Most importantly, remember that preventative maintenance is crucial for maintaining the integrity of your asphalt pavement. Regular inspections will go a long way in saving you money and extending the lifespan of your asphalt.
At New England Paving, we understand the importance of proper pavement maintenance. Our experienced team offers professional crack sealing services to ensure your asphalt surfaces last for years to come. Contact us and let us help you protect your investment!
